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प्रश्न
A measuring cylinder is filled with water to a particular mark. A piece of solid is immersed inside the measuring cylinder. State why the level of water in the measuring cylinder will rise up. If the solid is removed, what will be the new level of the water in the measuring cylinder? Give a reason for your answer.
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उत्तर
When a piece of solid stone is immersed inside the measuring cylinder. The water level rises up.
On removal of solid stone, the water level in the measuring cylinder falls down back to the mark ‘A’.
Hence, It shows that the stone occupies the space of the water and thus pushes the water level up. This experiment or procedure also proves that all solids occupy space.
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संबंधित प्रश्न
Write true or false for statement. Rewrite the false statement correctly.
Solids can be compressed easily.
The state of matter which has no definite shape or volume is called
- solid
- liquid
- gas
- water
If an object weighs 6 N on earth what will be its weight on moon. What will be the change in its mass?
Why liquids do not have a definite shape ?
Give reason of Liquids have definite volume but no difinite shape.
Write whether the following statement are true or false.
The intermolecular force of attraction is the weakest in gases.
Give reasons for the following:
Solids have a definite shape and are highly rigid while gases have to definite shape and are least rigid.
Differentiate the general properties of solids, liquids and gases in the form of a table — with reference to free diffusion.
Complete the statement by filling the blank with the correct word given below.
When inter-particle space increases, the inter-particle attractive force _______________.
Match the following.
| Property | Example |
| Breaks easily (Brittle) | Metal pan |
| Bends readily | Rubber band |
| Can be stretched easily | Cotton wool |
| Gets compressed easily | Mud pot |
| Gets heated readily | Plastic wire |
